1.	The mean is the _______ of a set of numbers.
		A.	middle number	B.	most frequent
		C.	highest number	D.	arithmetic average
		Hint
	2.	A sample should be ______.
		A.	representative of the general population	B.	less than ten in the general population
		C.	half the size of the population	D.	not representative of the general population
		Hint
	3.	What is the range of the data 69, 72, 121, 81, 98?
		A.	53	B.	52
		C.	40	D.	50
		Hint
	4.	Which sample would provide the best data for a survey about favorite extra-curricular activities?
		A.	Participants at swim practice.
		B.	A random sample of students from 5 different homerooms.
		C.	Students attending a Spanish Club meeting.
		D.	Members of the tennis team.
		Hint
	5.	The cost of ten different portable MP3 players is shown in the table. What is the mean cost?
		A.	$90	B.	$100
		C.	$85	D.	$40
		Hint